Last name Ahja (Ahja 
) , around the globe, is a rare family name. The last name Ahja is characteristic of Estonia, where it is a rare surname, Myanmar, and Saudi Arabia, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Indonesia, Myanmar, and Saudi Arabia. Likewise, Ahja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ahja | Saudi Arabia, United States, Myanmar, Nigeria, Indonesia |